PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Grandeur Peak Global Advisors, LLC's Holding History (CIK: 0001569137)

Note: Option positions (PUT/CALL) are excluded.

Q2 2018

Shares 12,788 Value ($000) $1,521 Avg Close $122.45 Range $111.20 - $136.40

Q1 2018

Shares 22,550 Value ($000) $2,651 Avg Close $113.00 Range $100.05 - $126.95

Q4 2017

Shares 27,375 Value ($000) $2,820 Avg Close $89.74 Range $79.06 - $109.10

Q3 2017

Shares 36,975 Value ($000) $2,969 Avg Close $72.28 Range $66.85 - $80.40

Q2 2017

Shares 43,375 Value ($000) $2,917 Avg Close $60.44 Range $48.70 - $70.10

Q1 2017

Shares 42,275 Value ($000) $2,160 Avg Close $52.95 Range $48.00 - $60.25

Q4 2016

Shares 38,475 Value ($000) $1,976 Avg Close $52.43 Range $43.10 - $59.65

Q3 2016

Shares 32,575 Value ($000) $1,952 Avg Close $57.54 Range $50.50 - $61.62

Q2 2016

Shares 26,275 Value ($000) $1,512 Avg Close $66.74 Range $55.07 - $82.06

Q1 2016

Shares 25,475 Value ($000) $1,964 Avg Close $64.57 Range $51.61 - $79.65

Q4 2015

Shares 15,000 Value ($000) $955 Avg Close $64.50 Range $58.84 - $69.48

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	12,788	$1,521	$122.45	$111.20 - $136.40
Q1 2018	22,550	$2,651	$113.00	$100.05 - $126.95
Q4 2017	27,375	$2,820	$89.74	$79.06 - $109.10
Q3 2017	36,975	$2,969	$72.28	$66.85 - $80.40
Q2 2017	43,375	$2,917	$60.44	$48.70 - $70.10
Q1 2017	42,275	$2,160	$52.95	$48.00 - $60.25
Q4 2016	38,475	$1,976	$52.43	$43.10 - $59.65
Q3 2016	32,575	$1,952	$57.54	$50.50 - $61.62
Q2 2016	26,275	$1,512	$66.74	$55.07 - $82.06
Q1 2016	25,475	$1,964	$64.57	$51.61 - $79.65
Q4 2015	15,000	$955	$64.50	$58.84 - $69.48